404342604 has 60 divisors (see below), whose sum is σ = 1058980384. Its totient is φ = 134532576.

The previous prime is 404342573. The next prime is 404342611. The reversal of 404342604 is 406243404.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 283437 + ... + 284859.

Almost surely, 2^404342604 is an apocalyptic number.

It is an amenable number.

404342604 is an abundant number, since it is smaller than the sum of its proper divisors (654637780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404342604 is a wasteful number, since it uses less digits than its factorization.

404342604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316 (or 2305 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 404342604 is about 20108.2720291924. The cubic root of 404342604 is about 739.4630899623.

The spelling of 404342604 in words is "four hundred four million, three hundred forty-two thousand, six hundred four".